COURSE CONTENT, ACTIVITIES, AND REFERENCE INFORMATION FOR TEACHING SCIENCE IN SECOND AND THIRD GRADES ARE INCLUDED IN THIS VOLUME. INTRODUCTORY REMARKS DISCUSS AN APPROACH TO THE TEACHING OF SCIENCE AND THE GENERAL OBJECTIVES OF THE SCIENCE PROGRAM. SIX UNITS OF STUDY ARE PRESENTED FOR SECOND GRADE--(1) DIFFERENCES BETWEEN PLANTS AND ANIMALS, (2) ASTRONOMY, (3) MATTER AND ENERGY, (4) WATER AND ITS USES, (5) PLANTS AND THEIR PARTS, AND (6) ANIMALS' HELP TO MAN. EIGHT UNITS ARE PRESENTED FOR THIRD GRADE--(1) PLANT GROWTH AND MAN'S DEPENDENCE ON PLANTS, (2) THE EARTH, (3) AIR, (4) SPACE AGE, (5) MATTER AND ENERGY, (6) BIRDS, (7) COLD BLOODED ANIMALS, AND (8) LEARNING MORE ABOUT OURSELVES. THE APPENDIXES INCLUDE THE FOLLOWING--(1) SUGGESTIONS FOR RECORDING EXPERIMENTS, (2) SUGGESTIONS FOR FIELD TRIPS, (3) SUGGESTIONS FOR SETTING UP AN AQUARIUM, (4) SUGGESTIONS FOR SETTING UP A DESERT TERRARIUM, (5) SUGGESTIONS FOR SETTING UP A WOODLAND TERRARIUM, (6) SUGGESTIONS FOR THE CARE OF CLASSROOM PETS, (7) TEXTBOOK REFERENCES, AND (8) SELECTED TEACHER REFERENCES. FOR EACH STUDY UNIT THERE ARE PRESENTED (1) A TEACHER PREVIEW, (2) AN ANNOTATED LIST OF REFERENCES, (3) MATERIALS AND EQUIPMENT LISTS, (4) A VOCABULARY LIST, (5) A LIST OF CONCEPTS TO BE DEVELOPED, (6) SUGGESTED ACTIVITIES, (7) APPROPRIATE MUSIC, (8) SUITABLE POEMS, AND (9) AUDIOVISUAL AND OTHER TEACHING AIDS. (RS)